试题与答案

变压器油起什么作用?

题型:问答题 简答题

题目:

变压器油起什么作用?

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B

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John is twelve years old. He had a bad cold and coughed day and night. He went to see a doctor .The doctor gave him some cough medicine:

Shake it well before use. Take it three times each day before meal. Not right for children below the age of four. Put it in a cold place. Use it before December1st,2012

Did John have a cough?

______________________________________.

How many times need John take the medicine every day ?

_______________________________________.

Can John take the medicine on January 1st,2013?

_______________________________________.

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